Here's something that might be of interest from the OR
"Abstract of summary statement showing quantity and value of army supplies purchased and shipped by Maj. C. Huse on account Confederate States Government.
One hundred and thirty-one thousand one hundred and twenty-nine stand of arms, as follows: Seventy thousand nine hundred and eighty long Enfield rifles, 9,715 short Enfield rifles, 354 carbine Enfield rifles, 27,000 Austrian rifles, 21,040 British muskets, 20 small-bore Enfield, 2,020 Brunswick rifles, at a cost, including cases, molds, kegs, screw-drivers, &c., of £417,263 9s. 11d." Dated Feb. 3rd, 1864 OR Ser IV Vol. II p. 383
Note the "20 small-bore Enfield" which some have assumed were Kerrs or Whitworths.